157427920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:333

約数の個数: 160

約数和(自身を含む): 429972480

約数和(自身を除く): 272544560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 80, 95, 104, 124, 130, 152, 155, 190, 208, 247, 248, 257, 260, 304, 310, 380, 403, 494, 496, 514, 520, 589, 620, 760, 806, 988, 1028, 1040, 1178, 1235, 1240, 1285, 1520, 1612, 1976, 2015, 2056, 2356, 2470, 2480, 2570, 2945, 3224, 3341, 3952, 4030, 4112, 4712, 4883, 4940, 5140, 5890, 6448, 6682, 7657, 7967, 8060, 9424, 9766, 9880, 10280, 11780, 13364, 15314, 15934, 16120, 16705, 19532, 19760, 20560, 23560, 24415, 26728, 30628, 31868, 32240, 33410, 38285, 39064, 39835, 47120, 48830, 53456, 61256, 63479, 63736, 66820, 76570, 78128, 79670, 97660, 103571, 122512, 126958, 127472, 133640, 151373, 153140, 159340, 195320, 207142, 253916, 267280, 302746, 306280, 317395, 318680, 390640, 414284, 507832, 517855, 605492, 612560, 634790, 637360, 756865, 828568, 1015664, 1035710, 1210984, 1269580, 1513730, 1657136, 1967849, 2071420, 2421968, 2539160, 3027460, 3935698, 4142840, 5078320, 6054920, 7871396, 8285680, 9839245, 12109840, 15742792, 19678490, 31485584, 39356980, 78713960, 157427920]

約数ペア:

[(1, 157427920), (2, 78713960), (4, 39356980), (5, 31485584), (8, 19678490), (10, 15742792), (13, 12109840), (16, 9839245), (19, 8285680), (20, 7871396), (26, 6054920), (31, 5078320), (38, 4142840), (40, 3935698), (52, 3027460), (62, 2539160), (65, 2421968), (76, 2071420), (80, 1967849), (95, 1657136), (104, 1513730), (124, 1269580), (130, 1210984), (152, 1035710), (155, 1015664), (190, 828568), (208, 756865), (247, 637360), (248, 634790), (257, 612560), (260, 605492), (304, 517855), (310, 507832), (380, 414284), (403, 390640), (494, 318680), (496, 317395), (514, 306280), (520, 302746), (589, 267280), (620, 253916), (760, 207142), (806, 195320), (988, 159340), (1028, 153140), (1040, 151373), (1178, 133640), (1235, 127472), (1240, 126958), (1285, 122512), (1520, 103571), (1612, 97660), (1976, 79670), (2015, 78128), (2056, 76570), (2356, 66820), (2470, 63736), (2480, 63479), (2570, 61256), (2945, 53456), (3224, 48830), (3341, 47120), (3952, 39835), (4030, 39064), (4112, 38285), (4712, 33410), (4883, 32240), (4940, 31868), (5140, 30628), (5890, 26728), (6448, 24415), (6682, 23560), (7657, 20560), (7967, 19760), (8060, 19532), (9424, 16705), (9766, 16120), (9880, 15934), (10280, 15314), (11780, 13364)]